diff options
Diffstat (limited to 'board/toradex/apalis_imx6/do_fuse.c')
-rw-r--r-- | board/toradex/apalis_imx6/do_fuse.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/board/toradex/apalis_imx6/do_fuse.c b/board/toradex/apalis_imx6/do_fuse.c new file mode 100644 index 00000000000..2b918e5d5a4 --- /dev/null +++ b/board/toradex/apalis_imx6/do_fuse.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2014, Toradex AG + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Helpers for i.MX OTP fusing during module production +*/ + +#include <common.h> +#include <fuse.h> + +static unsigned mfgr_fuse(void); +unsigned mfgr_fuse(void) +{ + unsigned val, val6; + + fuse_sense(0, 5, &val); + printf("Fuse 0, 5: %8x\n", val); + fuse_sense(0, 6, &val6); + printf("Fuse 0, 6: %8x\n", val6); + fuse_sense(4, 3, &val); + printf("Fuse 4, 3: %8x\n", val); + fuse_sense(4, 2, &val); + printf("Fuse 4, 2: %8x\n", val); + if(val6 & 0x10) + { + puts("BT_FUSE_SEL already fused, will do nothing\n"); + return 1; + } + /* boot cfg */ + fuse_prog(0, 5, 0x00005062); + /* BT_FUSE_SEL */ + fuse_prog(0, 6, 0x00000010); + return 0; +} + +int do_mfgr_fuse(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + puts("Fusing...\n"); + if(!mfgr_fuse()) + puts("done.\n"); + else + puts("failed.\n"); + return 0; +} + +U_BOOT_CMD( + mfgr_fuse, 1, 0, do_mfgr_fuse, + "OTP fusing during module production\n", + "" +); |